Analysis Overview
SHA256
9905dd72c5f3167a045ccc76f3d8b4d2007287842dd129034dc7bedb76a0f6b2
Threat Level: Known bad
The file bbe4ba566d229a405da3af72193d297f.bin was found to be: Known bad.
Malicious Activity Summary
Detect PureCrypter injector
Modifies WinLogon for persistence
NanoCore
PureCrypter
Checks computer location settings
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-07 07:42
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-07 07:42
Reported
2023-02-07 07:44
Platform
win7-20220812-en
Max time kernel
68s
Max time network
150s
Command Line
Signatures
Detect PureCrypter injector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\Flash Player.exe\"," | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | N/A |
NanoCore
PureCrypter
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 752 set thread context of 1488 | N/A | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe
"C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe
C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | rcontrol4sec.ddnsgeek.com | udp |
| FR | 185.81.157.236:5080 | rcontrol4sec.ddnsgeek.com | tcp |
Files
memory/752-54-0x0000000000870000-0x00000000009C0000-memory.dmp
memory/752-55-0x0000000004E40000-0x00000000050C2000-memory.dmp
memory/752-56-0x0000000075D01000-0x0000000075D03000-memory.dmp
memory/608-57-0x0000000000000000-mapping.dmp
memory/608-59-0x000000006FD20000-0x00000000702CB000-memory.dmp
memory/608-60-0x000000006FD20000-0x00000000702CB000-memory.dmp
memory/608-61-0x000000006FD20000-0x00000000702CB000-memory.dmp
memory/752-62-0x00000000045A0000-0x0000000004606000-memory.dmp
memory/1488-63-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1488-64-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1488-66-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1488-67-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1488-69-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1488-70-0x000000000041E792-mapping.dmp
memory/1488-72-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1488-74-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1488-76-0x00000000003D0000-0x00000000003DA000-memory.dmp
memory/1488-77-0x00000000003E0000-0x00000000003FE000-memory.dmp
memory/1488-78-0x0000000000440000-0x000000000044A000-memory.dmp
memory/1488-79-0x00000000004B0000-0x00000000004C2000-memory.dmp
memory/1488-80-0x00000000004C0000-0x00000000004DA000-memory.dmp
memory/1488-81-0x00000000004F0000-0x00000000004FE000-memory.dmp
memory/1488-82-0x0000000000550000-0x0000000000562000-memory.dmp
memory/1488-83-0x0000000000560000-0x000000000056E000-memory.dmp
memory/1488-84-0x0000000000570000-0x000000000057C000-memory.dmp
memory/1488-85-0x00000000006A0000-0x00000000006B4000-memory.dmp
memory/1488-86-0x00000000006B0000-0x00000000006BC000-memory.dmp
memory/1488-87-0x00000000006C0000-0x00000000006D0000-memory.dmp
memory/1488-88-0x00000000006D0000-0x00000000006E4000-memory.dmp
memory/1488-89-0x00000000006F0000-0x00000000006FE000-memory.dmp
memory/1488-90-0x0000000000710000-0x000000000073E000-memory.dmp
memory/1488-91-0x0000000000850000-0x0000000000864000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-07 07:42
Reported
2023-02-07 07:44
Platform
win10v2004-20221111-en
Max time kernel
63s
Max time network
152s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\Flash Player.exe\"," | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | N/A |
NanoCore
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4620 set thread context of 3376 | N/A | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe
"C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe
C:\Users\Admin\AppData\Local\Temp\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe
Network
| Country | Destination | Domain | Proto |
| NL | 142.251.36.45:443 | tcp | |
| NL | 172.217.168.202:443 | tcp | |
| NL | 142.250.179.195:443 | tcp | |
| US | 8.8.4.4:443 | tcp | |
| GB | 216.58.208.99:443 | tcp | |
| US | 8.8.8.8:53 | rcontrol4sec.ddnsgeek.com | udp |
| FR | 185.81.157.236:5080 | rcontrol4sec.ddnsgeek.com | tcp |
| US | 93.184.221.240:80 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| NL | 172.217.168.238:443 | tcp | |
| NL | 142.251.36.1:443 | tcp | |
| NL | 142.250.179.163:443 | tcp | |
| NL | 20.50.201.200:443 | tcp | |
| US | 8.8.4.4:443 | tcp | |
| NL | 142.250.179.195:443 | tcp |
Files
memory/4620-132-0x00000000000F0000-0x0000000000240000-memory.dmp
memory/4620-133-0x0000000004FE0000-0x0000000005002000-memory.dmp
memory/3648-134-0x0000000000000000-mapping.dmp
memory/3648-135-0x0000000003350000-0x0000000003386000-memory.dmp
memory/3648-136-0x0000000005C20000-0x0000000006248000-memory.dmp
memory/3648-137-0x00000000058F0000-0x0000000005956000-memory.dmp
memory/3648-138-0x00000000062C0000-0x0000000006326000-memory.dmp
memory/3648-139-0x0000000006910000-0x000000000692E000-memory.dmp
memory/3648-140-0x0000000007F60000-0x00000000085DA000-memory.dmp
memory/3648-141-0x0000000006E00000-0x0000000006E1A000-memory.dmp
memory/3376-142-0x0000000000000000-mapping.dmp
memory/3376-143-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107.exe.log
| MD5 | a713c363be116d5ed1f971db6a657e4f |
| SHA1 | 90791863564c9ed38e7b4f047022dec4474060a1 |
| SHA256 | 4b5c446ec8ed2a2696ba00a0890763d413006ce1ea1a7a32fda1655720aef46e |
| SHA512 | 5dc740414a6ec30908e924f3bdfae2f761a35a476ef2dda239b789575a0a3696169deb6dc84a14d5828eaa5644623f107b2c686bfa4f54a90f0688239b4b1739 |
memory/3376-145-0x0000000005E60000-0x0000000006404000-memory.dmp
memory/3376-146-0x00000000058B0000-0x0000000005942000-memory.dmp
memory/3376-147-0x00000000059F0000-0x0000000005A8C000-memory.dmp
memory/3376-148-0x0000000005880000-0x000000000588A000-memory.dmp